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EAN-13 Barcode Tool

Developer Tools

Checksum validate & generate, prefix table

Quick Answer

EAN-13 Barcode Tool: Checksum validate & generate, prefix table. EAN-13 Barcode Tool uses standard developer formulas to compute accurate results instantly.

6901234567892
Check digit = 2
6901234567892
Prefix (country)690
Check digit2
Modules95
StandardEAN-13 / GTIN-13

Calculation steps

  1. 1Weighted sum (odd×1, even×3):
  2. 2Σ = 6×1 + 9×3 + 0×1 + 1×3 + 2×1 + 3×3 + 4×1 + 5×3 + 6×1 + 7×3 + 8×1 + 9×3 = 128
  3. 3Check digit = (10 − Σ mod 10) mod 10 = 2
  4. 4Full code: 6901234567892 (95 modules)

Common prefixes

PrefixMeaning
690–699China (GS1 China)
978 / 979Books (ISBN)
977Periodicals (ISSN)
00–13USA / Canada (UPC-compatible)
45 / 49Japan
EAN-13 uses a modulo-10 weighted checksum (odd positions ×1, even ×3). The first digit is NOT printed as bars — it is encoded in the L/G parity pattern of the left six digits. A barcode only identifies the product; it does not prove authenticity. For QR codes use the QR generator tool.

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How to Use

  1. Paste or type content: drop code/text into the EAN-13 Barcode Tool or fill the parameters.
  2. Choose mode/options: switch format, rules or processing as needed.
  3. Live output: results appear instantly — nothing is submitted, data stays in your browser.
  4. One-click copy: copy the output straight into your development environment.

Key Points

  • EAN-13 Barcode Tool is a free online developer tool — open and use, no sign-up.
  • All calculations run locally in your browser; your data never leaves the device.
  • Key capability: Checksum validate & generate, prefix table.
  • Results come with formulas and reference tables so you can verify every number.

Formula & How It Works

EAN-13 Barcode Tool formula

EAN-13 Barcode Tool uses standard developer formulas to compute accurate results instantly.

FAQ

How do I use the EAN-13 Barcode Tool?
Open the page and fill in the input fields — results update automatically. Checksum validate & generate, prefix table.
Are the results accurate?
Yes. Standard formulas and conversion factors are used and verified.
Is it free? Do I need to sign up?
Completely free. No registration, login or download required.
Does it work on mobile?
Yes. The responsive design works on phones, tablets and desktops.
Is my data saved?
No. Everything runs locally in your browser.

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Source & Updates

Based on RFC 4648, ECMA-262 and related specifications. Last updated: 2025-07

Authoritative sources:

Last updated:

Formulas and content on this page are reviewed by the YiJianSuan team. For reference only — official sources prevail.

Maintained and periodically reviewed by the YiJianSuan editorial team — review process in ourEditorial Policy.

Cite this page: YiJianSuan. EAN-13 Barcode Tool[EB/OL]. https://www.yijiansuan.com/en/c/dev/barcode

Results provided by this tool are for reference only and do not constitute professional advice.